PenicillinsPenicillin GPenicillin VPenicillin ResistancePenicillin G ProcainePenicillin AmidasePenicillin G BenzathineAnti-Bacterial AgentsMass SpectrometryMicrobial Sensitivity TestsPenicillin-Binding ProteinsStreptococcus pneumoniaePenicillinasePolymerase Chain ReactionMuramoylpentapeptide CarboxypeptidaseAmpicillinHexosyltransferasesPeptidyl TransferasesCephalosporinsPneumococcal InfectionsStreptococcal InfectionsNeisseria gonorrhoeaeMolecular Sequence DataAmino Acid SequenceBody Mass IndexCloxacillinDrug HypersensitivityGonorrheaAcremoniumErythromycinbeta-LactamsStreptococcusDrug Resistance, MicrobialImmunoglobulin Light ChainsCeftriaxoneSpectrometry, Mass, Electrospray IonizationImmunoglobulin Heavy ChainsCefotaximeBacterial ProteinsTandem Mass SpectrometryPharyngitisCephaloridineSpectinomycinbeta-LactamasesPenicilliumEscherichia coliDrug Resistance, BacterialBase SequenceCarbenicillinCephalothinOxacillinGentamicinsLactamsKineticsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationTetracyclineTonsillitisMyosin Heavy ChainsStaphylococcusNeurosyphilisEndocarditis, BacterialPeptidoglycanProteusCulture MediaClindamycinSerotypingStreptomycinPenicillanic AcidProbenecidReverse Transcriptase Polymerase Chain ReactionCarrier ProteinsAmoxicillinMutationSyphilisBacteriaMyosin Light ChainsChloramphenicolCefuroximeViridans StreptococciDicloxacillinStaphylococcus aureusMolecular WeightStreptococcus pyogenesCarboxypeptidasesMethicillinNeisseria meningitidisTime FactorsAmidohydrolasesMacrolidesPhenylacetatesStreptococcus sanguisChromatography, High Pressure LiquidDNA, BacterialElectrophoresis, Polyacrylamide GelCefiximeStreptococcus agalactiaeAspergillus nidulansTicarcillinMeningitis, PneumococcalCloning, Molecular